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Biomass Calculation

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Hi, I have to analyse a data set of fish length and convert it to the weight of the fish using this equation:

log WEIGHT (g) = log a + b log LENGTH (mm)

Can anyone explain to me how to do this? For example, a 200mm princess parrot fish with a log a valu of -4.1836 and a b value of 2.7086, what is it's weight?

Can you do this using excel?

Much appreciated xx
 Nov 2, 2012

3+0 Answers

 #1
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This is the method I'm using:

http://www.sefsc.noaa.gov/docs/NOAA_TechMemo_NMFS-SEFC-215.pdf
 Nov 2, 2012
 #2
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Hello, i introducing myself on mathematic but i can't find out, what that's be. Maybe i'll blind that to our own.

And... ehh.... sry for my bad english
 Nov 2, 2012
 #3
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Nice post. I like it. Thanks for sharing these information. Keep it up.
 Nov 15, 2012

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